<span>Lactase enzymes oftentimes come into contact with body temperature entities - 37 C. Ultimately, the enzyme's activity gradually increases with temperature up until about body temperature. Optimum pH for this enzyme is 6. These values provide efficient life of the lactase enzyme.</span>
This is a system of organisms or things ranked one above another
Answer:
Genus
Explanation:
the usual major subdivision of a family or subfamily in the classification of organisms, usually consisting of more than one species.
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--Jay
